CN210161822U - Explanation board - Google Patents
Explanation board Download PDFInfo
- Publication number
- CN210161822U CN210161822U CN201921000581.3U CN201921000581U CN210161822U CN 210161822 U CN210161822 U CN 210161822U CN 201921000581 U CN201921000581 U CN 201921000581U CN 210161822 U CN210161822 U CN 210161822U
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- blackboard
- half frame
- plate
- supporting half
- group
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Abstract
The utility model relates to the technical field of teaching tools, in particular to an explanation board, which comprises a T-shaped base and universal wheels, wherein the lower end of the T-shaped base is provided with two universal wheels, the explanation board also comprises a side supporting half frame I, a blackboard group I, a side supporting half frame II, a blackboard group II, a connecting slide bar mechanism and a fixed cover plate mechanism, the lower ends of the side supporting half frame I and the supporting half frame II are fixedly connected with the T-shaped base, the blackboard group I and the blackboard group II are respectively and fixedly connected in the side supporting half frame I and the supporting half frame II, the connecting slide bar mechanism is provided with two connecting slide bar mechanisms, the two ends of one connecting slide bar mechanism are respectively and slidably connected at the upper ends of the supporting half frame I and the supporting half frame II, the two ends of the other connecting slide bar mechanism are respectively and slidably connected at the lower ends of the supporting half frame I and the supporting half frame II, the fixed cover plate mechanism is rotatably connected at, two kinds of state conversion of tiling and coincide can be carried out according to the user demand, and then the usable floor area of explaining the face is adjusted.
Description
Technical Field
The utility model relates to a teaching tool technical field, more specifically the explanation board that says so.
Background
The explanation board is an instrument used for writing and demonstrating in the education industry, and generally, the explanation board is a board surface placed in a classroom or a meeting room, and the explanation board is used for writing contents with chalk or a water-based pen to play a role in explaining and demonstrating. The usable floor area that present explanation board used the face is fixed, and the user demand just can't be satisfied to the face usable floor area undersize under some circumstances, need erase the characters on the face and write again, if face usable floor area is too big then occupation space is big, is not convenient for deposit and use when writing the content less.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an explanation board can carry out two kinds of state conversion of tiling and coincide according to the user demand, and then adjusts the usable floor area of explanation face, improves the convenience of using, and adjustable to coincide state when not using, shared space is little, conveniently deposits.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an explanation board, includes T shape base and universal wheel, T shape base lower extreme is provided with two universal wheels, and this explanation board still includes the equal fixedly connected with T shape base of the half frame I of side support, blackboard group I, the half frame II of side support, blackboard group II, connection slide bar mechanism and fixed apron mechanism, the equal fixedly connected with T shape base of the lower extreme of the half frame I of side support and support half frame II, and blackboard group I and blackboard group II are fixed connection respectively in the half frame I of side support and support half frame II, it is provided with two to connect slide bar mechanism, and one of them both ends of connecting slide bar mechanism are sliding connection respectively in the upper end of supporting half frame I and supporting half frame II, and another both ends of connecting slide bar mechanism are sliding connection respectively at the lower extreme of supporting half frame I and supporting half frame II, and fixed apron mechanism rotates to be connected on the upper left corner of supporting half frame I.
As this technical scheme's further optimization, the utility model relates to an explanation board, side support half frame I includes side bracing piece I, the fixed frame of blackboard group I, spout I and connection otic placode, and the fixed frame of blackboard group I fixed connection is on side bracing piece I, and the upper and lower both sides of the fixed frame of blackboard group I all are provided with spout I, are provided with two connection otic placodes on the fixed frame of blackboard group I upper left corner.
As this technical scheme's further optimization, the utility model relates to an explanation board, blackboard group I includes blackboard I, back connection iron plate I and magnetic sheet, and blackboard I and the equal fixed connection of back connection iron plate I are in collateral branch vaulting pole I, and back connection iron plate I is located blackboard I rear side and laminates with blackboard I, and the avris of back connection iron plate I is provided with the magnetic sheet.
As this technical scheme's further optimization, the utility model relates to an explanation board, side support half frame II includes side bracing piece II, the fixed frame II of blackboard group, spout II, picture peg and handle, and the fixed frame II fixed connection of blackboard group is on side bracing piece II, and the upper and lower both sides of the fixed frame II of blackboard group all are provided with spout II, and the upside both sides of the fixed frame II open end of blackboard group all are provided with the picture peg, and when the device tiling was used, two picture pegs sliding connection respectively were in I opening side of two spouts, still were provided with the handle on side bracing piece II.
As this technical scheme's further optimization, the utility model relates to an explanation board, blackboard group II includes blackboard II and back connection iron plate II, and blackboard II and the equal fixed connection of back connection iron plate are in blackboard group fixed frame II, and back connection iron plate II is located II rear sides of blackboard and laminates with blackboard II, and when the device tiling was used, the magnet slab was laminated with II avris of back connection iron plate.
As a further optimization of the technical proposal, the utility model relates to an explanation board, the connecting slide bar mechanism comprises a slide block, a slide bar and a connecting plate, the two sliding blocks are respectively fixedly connected with a sliding rod, the two ends of the connecting plate are respectively connected with the two sliding rods in a rotating way, one of them two of connecting slide bar mechanism slide bar respectively sliding connection in spout I and spout II that is located the upside, two sliding block sliding connection respectively in the space that black board group fixed frame I and blackboard I are located the upside and the space that blackboard group fixed frame II and blackboard II are located the downside, another two sliding bar of connecting slide bar mechanism sliding connection respectively in spout I and spout II that are located the downside, two sliding block sliding connection respectively in the space that black board group fixed frame I and blackboard I are located the downside and the space that blackboard group fixed frame II and blackboard II are located the downside.
As this technical scheme's further optimization, the utility model relates to an explanation board, fixed apron mechanism is including changeing piece, bull stick, spacing diaphragm and spacing riser, the equal fixedly connected with bull stick in both ends around the changeing piece, spacing diaphragm fixed connection is on changeing the piece, spacing riser fixed connection is on spacing diaphragm, spacing diaphragm and spacing riser constitute a mirror image L shape, two bull sticks rotate respectively to be connected in two connection ear boards, when the device coincide was used, spacing diaphragm and the laminating of connecting plate upper surface, the lateral wall laminating of spacing riser and connecting plate.
The utility model relates to an explanation board's beneficial effect does:
this explanation board can carry out two kinds of state conversion of tiling and coincide according to the user demand, and then adjusts the usable floor area of explanation board face, improves the convenience of using, and adjustable to coincide state when not using, shared space is little, conveniently deposits.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the stacked explanation boards of the present invention;
FIG. 2 is a partial schematic view of the utility model when stacked;
fig. 3 is a schematic view of the overall structure of the present invention when tiled;
fig. 4 is a partial structural view of the whole when the utility model is tiled;
FIG. 5 is a first schematic structural view of a side supporting half frame I and a blackboard group I of the utility model;
FIG. 6 is a partial structure diagram of the side supporting half frame I and the blackboard group I of the present invention;
FIG. 7 is a schematic structural view II of the side supporting half frame I and the blackboard group I of the present invention;
FIG. 8 is a first schematic structural view of a side supporting half frame II and a blackboard group II of the present invention;
FIG. 9 is a partial structure diagram of the side supporting half frame II and the blackboard group II of the present invention;
FIG. 10 is a second schematic structural view of the side supporting half frame II and the blackboard group II of the present invention;
FIG. 11 is a schematic structural view of the slide bar connecting mechanism of the present invention;
fig. 12 is a schematic structural diagram of the fixed cover plate mechanism of the present invention.
In the figure: the side support half frame I1; side supporting rods I1-1; a black board group fixing frame I1-2; 1-3 of a chute; connecting ear plates 1-4; a black board group I2; 2-1 parts of a blackboard; the rear connecting iron plate I2-2; 2-3 of magnetic plates; the side support half frame II 3; side supporting rods II 3-1; a black board group fixing frame II 3-2; 3-3 of a chute; 3-4 of an inserting plate; 3-5 of a handle; a black panel group II 4; 4-1 of a blackboard; the rear connecting iron plate II 4-2; a connecting slide bar mechanism 5; 5-1 of a sliding block; 5-2 of a slide bar; 5-3 of a connecting plate; a fixed cover plate mechanism 6; 6-1 of a rotating block; 6-2 of a rotating rod; 6-3 of a limiting transverse plate; 6-4 of a limiting vertical plate; a T-shaped base 7; and a universal wheel 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1-12, and the explanation board comprises a T-shaped base 7 and universal wheels 8, two universal wheels 8 are arranged at the lower end of the T-shaped base 7, the universal wheels 8 have a self-locking function, the explanation board further comprises a side supporting half frame i 1, a blackboard group i 2, a side supporting half frame ii 3, a blackboard group ii 4, a connecting slide bar mechanism 5 and a fixed cover plate mechanism 6, the lower ends of the side supporting half frame i 1 and the supporting half frame ii 3 are fixedly connected with the T-shaped base 7, the blackboard group i 2 and the blackboard group ii 4 are respectively fixedly connected in the side supporting half frame i 1 and the supporting half frame ii 3, the connecting slide bar mechanisms 5 are provided with two, two ends of one connecting slide bar mechanism 5 are respectively slidably connected at the upper ends of the supporting half frame i 1 and the supporting half frame ii 3, two ends of the other connecting slide bar mechanism 5 are respectively slidably connected at the lower ends of the supporting half frame i 1 and the supporting half frame ii 3, fixed apron mechanism 6 rotates to be connected on the upper left corner of supporting half frame I1. The explanation board can be used for explanation in various fields, such as Chinese language explanation, law teaching, English teaching and the like.
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment will be further described, wherein the side supporting half frame i 1 comprises a side supporting rod i 1-1, a blackboard group fixing frame i 1-2, a sliding chute i 1-3 and a connecting ear plate 1-4, the blackboard group fixing frame i 1-2 is fixedly connected to the side supporting rod i 1-1, the sliding chutes i 1-3 are arranged on the upper and lower sides of the blackboard group fixing frame i 1-2, and the two connecting ear plates 1-4 are arranged on the upper left corner of the blackboard group fixing frame i 1-2.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment further describes the second embodiment, wherein the black board group i 2 includes a black board i 2-1, a rear connecting iron plate i 2-2 and a magnetic plate 2-3, the black board i 2-1 and the rear connecting iron plate i 2-2 are both fixedly connected in the side support rod i 1-1, the rear connecting iron plate i 2-2 is located at the rear side of the black board i 2-1 and is attached to the black board i 2-1, and the magnetic plate 2-3 is arranged at the side of the rear connecting iron plate i 2-2.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment is further described, wherein the side supporting half frame ii 3 comprises a side supporting rod ii 3-1, a blackboard group fixing frame ii 3-2, a sliding groove ii 3-3, a plug board 3-4 and a handle 3-5, the blackboard group fixing frame ii 3-2 is fixedly connected to the side supporting rod ii 3-1, the sliding grooves ii 3-3 are respectively arranged on the upper side and the lower side of the blackboard group fixing frame ii 3-2, the plug board 3-4 is arranged on both sides of the upper side of the opening end of the blackboard group fixing frame ii 3-2, when the device is tiled for use, the two plug boards 3-4 are respectively slidably connected in the opening sides of the two sliding grooves i 1-3, and the handle 3-5 is further arranged on the side supporting rod ii 3-1.
The fifth concrete implementation mode:
the fourth embodiment is further described with reference to fig. 1-12, wherein the blackboard group ii 4 includes a blackboard ii 4-1 and a rear connecting iron plate ii 4-2, the blackboard ii 4-1 and the rear connecting iron plate ii 4-2 are both fixedly connected in the blackboard group fixing frame ii 3-2, and the rear connecting iron plate ii 4-2 is located behind the blackboard ii 4-1 and is attached to the blackboard ii 4-1.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment further describes the first embodiment, the connecting slide bar mechanism 5 includes two slide blocks 5-1, two slide bars 5-2 and a connecting plate 5-3, the two slide blocks 5-1 are provided, the two slide blocks 5-1 are both fixedly connected with the slide bars 5-2, two ends of the connecting plate 5-3 are respectively rotatably connected with the two slide bars 5-2, one of the two slide bars 5-2 connected with the slide bar mechanism 5 is respectively slidably connected in the slide grooves i 1-3 and the slide grooves ii 3-3 at the upper side, the two slide blocks 5-1 are respectively slidably connected in the gap between the black board group fixing frame i 1-2 and the black board i 2-1 at the upper side and between the blackboard group fixing frame ii 3-2 and the blackboard group ii 4-1 at the lower side, two sliding rods 5-2 of the other connecting sliding rod mechanism 5 are respectively connected in a sliding groove I1-3 and a sliding groove II 3-3 which are positioned at the lower side in a sliding mode, two sliding blocks 5-1 are respectively connected in a gap between a blackboard group fixing frame I1-2 and a blackboard I2-1 which are positioned at the lower side in a sliding mode, and a gap between the blackboard group fixing frame II 3-2 and a blackboard II 4-1 which are positioned at the lower side in a sliding mode.
When the explanation board is in an overlapped state, as shown in an explanation attached figure 1, a side supporting half frame II 3 and a black board group II 4 are positioned at the rear side of a side supporting half frame I1 and a black board group I2, the side supporting half frame II 3, the black board group II 4, a supporting half frame I1 and the black board group I2 are in a mutually parallel state, at the moment, two sliding rods 5-2 are respectively attached to the most lateral side of a sliding groove I and the inner side of an inserting plate 3-4, a limiting transverse plate 6-3 is attached to the upper surface of a connecting plate 5-3, a limiting vertical plate 6-4 is attached to the side wall of the connecting plate 5-3, as shown in an attached figure 1 and an attached figure 2 of the description, all universal wheels 8 are locked, the connection position relation of the above components is fixed by the mutually parallel position relation of the side supporting half frame II 3, the black board group II 4, the supporting half frame I1 and the black board group I2, so that a user has more, in this state, the use face of the explanation board is only provided with the blackboard I2-1, and the space occupied by the explanation board is reduced in this state, so that the explanation board is convenient to move and store.
The seventh embodiment:
the embodiment is described below with reference to fig. 1-12, and the embodiment will be further described, wherein the fixed cover plate mechanism 6 includes a rotating block 6-1, a rotating rod 6-2, a limiting transverse plate 6-3 and a limiting vertical plate 6-4, the rotating rod 6-2 is fixedly connected to both the front and rear ends of the rotating block 6-1, the limiting transverse plate 6-3 is fixedly connected to the rotating block 6-1, the limiting vertical plate 6-4 is fixedly connected to the limiting transverse plate 6-3, the limiting transverse plate 6-3 and the limiting vertical plate 6-4 form a mirror-image L shape, the two rotating rods 6-2 are respectively and rotatably connected to the two connecting ear plates 1-4, when the explanation plate is to be used, the rotating block 6-1 is rotated by using the axis of the two rotating rods 6-2 as the central line, so that the limiting transverse plate 6-3 is separated from the attaching state with the surface of the connecting plate 5-3, and the position-limiting vertical plate 6-4 is separated from the joint state with the side wall of the connecting plate 5-3, and the self-locking of the universal wheel 8 at the side of the side support half frame II 3 is only released, then the handle 3-5 is pulled by hand, the sliding rod 5-2 at the side of the side support half frame I1 slides to the opening end of the sliding groove I1-3 along the sliding groove I1-3, at the moment, the sliding rod 5-2 at the side of the side support half frame II 3 always is in the joint state with the inner side of the inserting plate 3-4, when the sliding rod 5-2 at the side of the side support half frame I1 is about to reach the opening end of the sliding groove I1-3, the side support half frame II 3 is rotated by taking the axis of the sliding rod 5-2 at the side of the side support half frame I1 as the central line, and the inserting plate 3-4 slides into the opening end of the sliding groove I1-3 along the sliding, as shown in the attached figures 3 and 4 of the specification, at the moment, the side of the magnetic plate 2-3 is attached to the side of the rear connecting iron plate II 4-2, and the side of the blackboard I2-1 and the side of the blackboard II 4-1 are attached to form a whole, namely, the use area of the board surface of the explanation board is increased.
The utility model discloses an explanation board, its theory of operation is:
in the initial state, the explanation board is in an overlapped state, as shown in the description attached figure 1, the side supporting half frame II 3 and the black board group II 4 are positioned at the rear side of the side supporting half frame I1 and the black board group I2, the side supporting half frame II 3, the black board group II 4, the supporting half frame I1 and the black board group I2 are in a mutually parallel state, at the moment, two sliding rods 5-2 are respectively attached to the most lateral side of the sliding chute I and the inner side of the inserting plate 3-4, a limiting transverse plate 6-3 is attached to the upper surface of the connecting plate 5-3, a limiting vertical plate 6-4 is attached to the side wall of the connecting plate 5-3, as shown in the description attached figures 1 and 2, all universal wheels 8 are locked, the connection position relation of the above components is fixed by the mutually parallel position relation of the side supporting half frame II 3, the black board group II 4, the supporting half frame I1 and the black board group I2, so that a user has more stability when using the, in this state, the use face of the explanation board is only provided with the blackboard I2-1, and the space occupied by the explanation board is reduced in this state, so that the explanation board is convenient to move and store.
When the board is required to be explained for flat paving, the rotating block 6-1 is rotated by taking the axes of the two rotating rods 6-2 as central lines, so that the limiting transverse plate 6-3 is separated from the joint state with the surface of the connecting plate 5-3, the limiting vertical plate 6-4 is separated from the joint state with the side wall of the connecting plate 5-3, the self-locking of the universal wheel 8 at the side of the side supporting half frame II 3 is only released, then the handle 3-5 is pulled by hand, the sliding rod 5-2 at the side of the side supporting half frame I1 slides towards the opening end of the sliding groove I1-3 along the sliding groove I1-3, at the moment, the sliding rod 5-2 at the side of the side supporting half frame II 3 is always in the joint state with the inner side of the inserting plate 3-4, when the sliding rod 5-2 at the side of the side supporting half frame I1 is about to reach the opening end of the sliding groove I1-3, the axis of the sliding rod 5-2 at, and the inserting plate 3-4 slides into the sliding groove I1-3 along the opening end of the sliding groove I1-3 along the trend, and the unlocked universal wheel is locked, as shown in the attached figures 3 and 4 of the specification, at the moment, the magnetic plate 2-3 is attached to the side of the rear connecting iron plate II 4-2, and the side of the blackboard I2-1 and the side of the blackboard II 4-1 are attached to form a whole, namely, the using area of the board surface of the explaining board is increased.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides an explanation board, includes T shape base (7) and universal wheel (8), and T shape base (7) lower extreme is provided with two universal wheels (8), its characterized in that: the explanation board also comprises a side supporting half frame I (1), a blackboard group I (2), a side supporting half frame II (3), a blackboard group II (4), a connecting slide rod mechanism (5) and a fixed cover plate mechanism (6), wherein the lower ends of the side supporting half frame I (1) and the supporting half frame II (3) are fixedly connected with T-shaped bases (7), the blackboard group I (2) and the blackboard group II (4) are respectively and fixedly connected in the side supporting half frame I (1) and the supporting half frame II (3), the number of the connecting slide rod mechanisms (5) is two, two ends of one connecting slide rod mechanism (5) are respectively connected to the upper ends of the supporting half frame I (1) and the supporting half frame II (3) in a sliding mode, two ends of the other connecting slide rod mechanism (5) are respectively connected to the lower ends of the supporting half frame I (1) and the supporting half frame II (3) in a sliding mode, and the fixed cover plate mechanism (6) is rotatably connected to the upper left corner of the supporting half frame I (1).
2. An explanation board as claimed in claim 1, wherein: half frame I (1) of side support includes side vaulting pole I (1-1), the fixed frame I (1-2) of blackboard group, spout I (1-3) and connection otic placode (1-4), and the fixed frame I (1-2) fixed connection of blackboard group is on side vaulting pole I (1-1), and the upper and lower both sides of the fixed frame I (1-2) of blackboard group all are provided with spout I (1-3), are provided with two connection otic placodes (1-4) on the fixed frame I (1-2) upper left corner of blackboard group.
3. An explanation board as claimed in claim 2, characterized in that: blackboard group I (2) include blackboard I (2-1), back connection iron plate I (2-2) and magnetic sheet (2-3), blackboard I (2-1) and the equal fixed connection of back connection iron plate I (2-2) are in collateral branch vaulting pole I (1-1), back connection iron plate I (2-2) are located blackboard I (2-1) rear side and laminate with blackboard I (2-1), the avris of back connection iron plate I (2-2) is provided with magnetic sheet (2-3).
4. An explanation board as claimed in claim 1, wherein: the side support half frame II (3) comprises a side support rod II (3-1), a blackboard group fixing frame II (3-2), a sliding groove II (3-3), a plug board (3-4) and a handle (3-5), the blackboard group fixing frame II (3-2) is fixedly connected onto the side support rod II (3-1), the sliding groove II (3-3) is arranged on the upper side and the lower side of the blackboard group fixing frame II (3-2), the plug board (3-4) is arranged on the two sides of the upper side of the opening end of the blackboard group fixing frame II (3-2), when the device is tiled for use, the two plug boards (3-4) are respectively in the opening sides of the two sliding grooves I (1-3), and the handle (3-5) is further arranged on the side support rod II (3-1).
5. An explanation board as claimed in claim 4, characterized in that: the blackboard group II (4) comprises a blackboard II (4-1) and a rear connecting iron plate II (4-2), the blackboard II (4-1) and the rear connecting iron plate II (4-2) are fixedly connected in the blackboard group fixing frame II (3-2), the rear connecting iron plate II (4-2) is positioned on the rear side of the blackboard II (4-1) and is attached to the blackboard II (4-1), and when the device is tiled for use, the magnetic plate (2-3) is attached to the side of the rear connecting iron plate II (4-2).
6. An explanation board as claimed in claim 1, wherein: the connecting slide bar mechanism (5) comprises two slide blocks (5-1), two slide bars (5-2) and a connecting plate (5-3), the two slide blocks (5-1) are fixedly connected with the two slide bars (5-2), two ends of the connecting plate (5-3) are respectively rotatably connected with the two slide bars (5-2), one of the two slide bars (5-2) connected with the slide bar mechanism (5) is respectively and slidably connected in a chute I (1-3) and a chute II (3-3) which are positioned at the upper side, the two slide blocks (5-1) are respectively and slidably connected in a gap at the upper side of the blackboard fixing frame I (1-2) and the blackboard I (2-1) and a gap at the lower side of the blackboard fixing frame II (3-2) and the blackboard II (4-1), two sliding rods (5-2) of the other connecting sliding rod mechanism (5) are respectively connected in a sliding groove I (1-3) and a sliding groove II (3-3) which are positioned at the lower side in a sliding mode, two sliding blocks (5-1) are respectively connected in a gap where the blackboard group fixing frame I (1-2) and the blackboard I (2-1) are positioned at the lower side in a sliding mode, and a gap where the blackboard group fixing frame II (3-2) and the blackboard II (4-1) are positioned at the lower side in a sliding mode.
7. An explanation board as claimed in claim 1, wherein: the fixed cover plate mechanism (6) comprises a rotating block (6-1), rotating rods (6-2), a limiting transverse plate (6-3) and a limiting vertical plate (6-4), the front end and the rear end of the rotating block (6-1) are fixedly connected with the rotating rods (6-2), the limiting transverse plate (6-3) is fixedly connected to the rotating block (6-1), the limiting vertical plate (6-4) is fixedly connected to the limiting transverse plate (6-3), the limiting transverse plate (6-3) and the limiting vertical plate (6-4) form a mirror image L shape, the two rotating rods (6-2) are respectively and rotatably connected in the two connecting lug plates (1-4), when the device is folded for use, the limiting transverse plate (6-3) is attached to the upper surface of the connecting plate (5-3), and the limiting vertical plate (6-4) is attached to the side wall of the connecting plate (5-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000581.3U CN210161822U (en) | 2019-06-29 | 2019-06-29 | Explanation board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921000581.3U CN210161822U (en) | 2019-06-29 | 2019-06-29 | Explanation board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210161822U true CN210161822U (en) | 2020-03-20 |
Family
ID=69794927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921000581.3U Expired - Fee Related CN210161822U (en) | 2019-06-29 | 2019-06-29 | Explanation board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210161822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993818A (en) * | 2020-08-29 | 2020-11-27 | 芜湖宏嘉科技有限公司 | Teaching board for intelligent teaching |
| CN112923202A (en) * | 2021-01-20 | 2021-06-08 | 重庆长教科技有限公司 | Multifunctional electronic whiteboard |
-
2019
- 2019-06-29 CN CN201921000581.3U patent/CN210161822U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993818A (en) * | 2020-08-29 | 2020-11-27 | 芜湖宏嘉科技有限公司 | Teaching board for intelligent teaching |
| CN112923202A (en) * | 2021-01-20 | 2021-06-08 | 重庆长教科技有限公司 | Multifunctional electronic whiteboard |
| CN112923202B (en) * | 2021-01-20 | 2022-07-26 | 重庆长教科技有限公司 | Multifunctional electronic whiteboard |
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